quartz

noun

1
: a mineral consisting of silicon dioxide occurring in colorless and transparent or colored hexagonal crystals or in crystalline masses
2
: a quartz crystal that when placed in an electric field oscillates at a constant frequency and is used to control devices which require precise regulation
a quartz watch
quartzose adjective

Examples of quartz in a Sentence

Recent Examples on the Web
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In the historic Whitely Building, the city’s first department store, tailoring now comes in the form of personalized itineraries incorporating massages, facials, ice baths, sleep tracking, quartz crystal beds, and much more, depending on what your biometrics reveal about you. Cnt Editors, Condé Nast Traveler, 23 Apr. 2026 The country kitchen has a 14-foot island with grayed cabinetry, white quartz, a prep sink, glass lantern pendants and crossed millwork panels. Saleema Syed, Chicago Tribune, 21 Apr. 2026 This single sink is undermounted with a white quartz countertop included. Kate McGregor, Architectural Digest, 21 Apr. 2026 This beat out other popular countertop materials like quartz, soapstone, and marble. Joseph Erbentraut, Better Homes & Gardens, 19 Apr. 2026 See All Example Sentences for quartz

Word History

Etymology

German Quarz

First Known Use

circa 1631, in the meaning defined at sense 1

Time Traveler
The first known use of quartz was circa 1631

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Cite this Entry

“Quartz.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.grautoblog.com/dictionary/quartz. Accessed 25 Apr. 2026.

Kids Definition

quartz

noun
: a common mineral consisting of silicon dioxide that is often found in the form of colorless transparent crystals but is sometimes (as in amethysts, agates, and jaspers) brightly colored

Medical Definition

quartz

noun
: a mineral SiO2 consisting of a silica that occurs in colorless and transparent or colored hexagonal crystals and also in crystalline masses

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